1.3 release - (breaking change) user helper templates must now be in a separate dir (--extra-tpl) - source code snippets using the new snippet element and XSLT extension elements - source code syntax highlighting (with pygments) - source code snippet graceful resize with the new --generate-js command-line option - modular css library with the new --generate-css command-line option - new jinja2 macro library (skryba-macros.html) - new post_date macro - new chatgpt element for ChatGPT session transcripts - improved documentation